Home / 30,370.12-41,908.85-16,942.23

Finding the Fourth Proportional to 30,370.12, 41,908.85 and 16,942.23

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Solution

The fourth proportional to 30,370.12, 41,908.85 and 16,942.23 is: 23,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.12 : 41,908.85 = 16,942.23 : x
  2. Step 2: Convert to fraction form
    30,370.12/41,908.85 = 16,942.23/x
  3. Step 3: Cross multiply
    30,370.12x = 41,908.85 × 16,942.23
  4. Step 4: Simplify right side
    30,370.12x = 710,029,375.74
  5. Step 5: Solve for x
    x = 710,029,375.74/30,370.12
  6. Step 6: Final answer
    x = 23,379.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.